Touch control structure and display apparatus

ABSTRACT

A touch control structure is provided. The touch control structure includes a plurality of first mesh electrodes along a row direction and a plurality of second mesh electrodes along a column direction. The touch control structure is limited in a touch control region and absent in a window region surrounded by the touch control region. The plurality of second mesh electrodes includes a first mesh block and a second mesh block; a first conductive plate connected to one or more mesh lines of the first mesh block; a second conductive plate connected to one or more mesh lines of the second mesh block; and a first conductive bridge connecting the first conductive plate and the second conductive plate. A second segment of the first conductive bridge is in a layer different from a first segment of the first conductive bridge, the first conductive plate, and the second conductive plate.

TECHNICAL FIELD

The present invention relates to the field of display technology, moreparticularly, to a touch control structure and a display apparatus.

BACKGROUND

Various types of touch panels have been developed. Examples of touchpanels include one-glass-solution (OGS) touch panels, on-cell touchpanels, and in-cell touch panels. The on-cell touch panels provide hightouch control accuracy. The on-cell touch panels can be classified intosingle-layer-on-cell (SLOC) touch panels and multi-layer-on-cell (MLOC)touch panels. In particular, multiple point touch control can beachieved in the MLOC touch panels with superior touch control accuracyand blanking effects.

SUMMARY

In one aspect, the present disclosure provides a touch controlstructure, comprising a plurality of first mesh electrodes along a rowdirection and a plurality of second mesh electrodes along a columndirection; wherein the touch control structure is limited in a touchcontrol region and absent in a window region surrounded by the touchcontrol region; wherein the plurality of second mesh electrodescomprises a first mesh block and a second mesh block respectively on afirst side and a second side of the window region; a first conductiveplate connected to one or more mesh lines of the first mesh block; asecond conductive plate connected to one or more mesh lines of thesecond mesh block; and a first conductive bridge connecting the firstconductive plate and the second conductive plate; wherein the firstconductive bridge comprises a first segment and a second segment; andthe second segment is in a layer different from the first segment, thefirst conductive plate, and the second conductive plate.

Optionally, the plurality of first mesh electrodes comprises a thirdmesh block on a third side of the window region; and a third conductiveplate connected to one or more mesh lines of the third mesh block;wherein the third conductive plate spaces apart the first conductivebridge from the third mesh block; the third conductive plate comprises afirst part and a second part; the second segment is in a layer differentfrom the third conductive plate; the first segment and the secondsegment are respectively around a first portion and a second portion ofa periphery of the window region; the first part and the second part arerespectively around a third portion and a fourth portion of theperiphery of the window region; the first portion is at least partiallyoverlapping with the third portion; and the second portion is at leastpartially overlapping with the fourth portion.

Optionally, the first part has a first shortest plate width along adirection from the first part to the window region; the second part hasa second shortest plate width along a direction from the second part tothe window region; and the first shortest plate width is less than thesecond shortest plate width.

Optionally, the first conductive bridge further comprises a fifthsegment in a same layer as the first segment, the first conductiveplate, and the second conductive plate; an orthographic projection of afirst overlapping portion of the fifth segment on a base substrate atleast partially overlaps with an orthographic projection of a secondoverlapping portion of the second segment on the base substrate, thefirst overlapping portion connecting to the second overlapping portionthrough a via extending through a touch insulating layer; the firstoverlapping portion and the second overlapping portion are around apartially overlapping portion of the periphery of the window region; thesecond part is spaced apart from a third dummy plate adjacent to thesecond part by a gap around a gap portion of the periphery of the windowregion; and the partially overlapping portion comprises the gap portion.

Optionally, the third conductive plate further comprises a third part,the first part between the second part and the third part; the firstconductive bridge further comprises a third segment, the first segmentbetween the second segment and the third segment; the third segment isin a same layer as the second segment, and is in a layer different fromthe first segment, the first conductive plate, the second conductiveplate, and the third conductive plate; the third segment is around afifth portion of the periphery of the window region; the third part isaround a sixth portion of the periphery of the window region; and thefifth portion is at least partially overlapping with the sixth portion.

Optionally, the first part has a first shortest plate width along adirection from the first part to the window region; the second part hasa second shortest plate width along a direction from the second part tothe window region; the third part has a third shortest plate width alonga direction from the third part to the window region; and the firstshortest plate width is less than the second shortest plate width, andis less than the third shortest plate width.

Optionally, the touch control structure further comprises a first dummyplate insulated from the first conductive bridge and the thirdconductive plate, and spacing part a portion of the first conductivebridge and a portion of the third conductive plate; the first dummyplate is around a seventh portion of the periphery of the window region;and the seventh portion is at least partially overlapping with the thirdportion, and is non-overlapping with the fourth portion and the sixthportion.

Optionally, in an orthographic projection of the touch control structureon a base substrate, an orthographic projection of a conductivecomponent on the base substrate is absent in a space between anorthographic projection of the second segment on the base substrate andan orthographic projection of the second part on the base substrate.

Optionally, in an orthographic projection of the touch control structureon a base substrate, an orthographic projection of a conductivecomponent on the base substrate is absent in a space between anorthographic projection of the second segment on the base substrate andan orthographic projection of the second part on the base substrate; andin the orthographic projection of the touch control structure on thebase substrate, an orthographic projection of a conductive component onthe base substrate is absent in a space between an orthographicprojection of the third segment on the base substrate and anorthographic projection of the third part on the base substrate.

Optionally, in an orthographic projection of the touch control structureon a base substrate, an orthographic projection of a conductivecomponent on the base substrate is absent in a space between anorthographic projection of the second segment on the base substrate andan orthographic projection of the second part on the base substrate; inthe orthographic projection of the touch control structure on the basesubstrate, an orthographic projection of a conductive component on thebase substrate is absent in a space between an orthographic projectionof the third segment on the base substrate and an orthographicprojection of the third part on the base substrate; and in theorthographic projection of the touch control structure on the basesubstrate, an orthographic projection of the first dummy plate on thebase substrate is in a space between an orthographic projection of thefirst segment on the base substrate and an orthographic projection ofthe first part on the base substrate.

Optionally, the first mesh block, the second mesh block, the firstconductive plate, the second conductive plate, and the first conductivebridge are components of a window-crossing column of the plurality ofsecond mesh electrodes; and the third mesh block and the thirdconductive plate are components of a first window-crossing row of theplurality of first mesh electrodes.

Optionally, the plurality of first mesh electrodes comprises a fourthmesh block and a fifth mesh block respectively on a fourth side and afifth side of the window region; a fourth conductive plate connected toone or more mesh lines of the fourth mesh block; a fifth conductiveplate connected to one or more mesh lines of the fifth mesh block; and asecond conductive bridge connecting the fourth conductive plate and thefifth conductive plate; wherein the first conductive plate is around aneighth portion of the periphery of the window region; the secondconductive bridge is around a ninth portion of the periphery of thewindow region; and the eighth portion is at least partially overlappingwith the ninth portion.

Optionally, the first conductive bridge further comprises a fourthsegment crossing over a portion of the second conductive bridge toconnect with the first conductive plate; and the fourth segment is in asame layer as the second segment, and is in a layer different from thefirst segment, the first conductive plate, the second conductive plate,the fourth conductive plate, the fifth conductive plate, and the secondconductive bridge.

Optionally, the first conductive bridge further comprises a fifthsegment between the fourth segment and the second segment; and whereinthe fifth segment is in a same layer as the first segment, and is in alayer different from the second segment and the fourth segment.

Optionally, the touch control structure further comprises a second dummyplate insulated from the fifth conductive plate and the fifth segment,and spacing part a portion of the fifth conductive plate and a portionof the fifth segment; wherein the fifth segment is around a tenthportion of a periphery of the window region; the second dummy plate isaround an eleventh portion of the periphery of the window region; andthe tenth portion is at least partially overlapping with the eleventhportion.

Optionally, the touch control structure further comprises a third dummyplate around a twelfth portion of the periphery of the window region;wherein the second segment is around a second portion of the peripheryof the window region; the twelfth portion is between the eleventhportion and the second portion; and the twelfth portion isnon-overlapping with the eleventh portion, and is non-overlapping withthe second portion.

Optionally, the first mesh block, the second mesh block, the firstconductive plate, the second conductive plate, and the first conductivebridge are components of a window-crossing column of the plurality ofsecond mesh electrodes; and the fourth mesh block, the fourth conductiveplate, the fifth mesh block, the fifth conductive plate, and the secondconductive bridge are components of a second window-crossing row of theplurality of first mesh electrodes.

Optionally, the touch control structure further comprises a protectivering substantially surrounding the window region; wherein the firstconductive plate, the second conductive plate, and the first conductivebridge are respectively around portions of the protective ring; and theprotective ring is in a same layer as the second segment, and is in alayer different from the first segment, the first conductive plate, andthe second conductive plate.

Optionally, the touch control structure further comprises a detectionline substantially surrounding the window region; wherein the detectionline comprises contiguously a first line portion extendingcounter-clock-wisely around a first half of a periphery of the windowregion, a second line portion extending clock-wisely around the firsthalf of the periphery of the window region and a second half of theperiphery of the window region, and a third line portion extendingcounter-clock-wisely around the second half of the periphery of thewindow region.

Optionally, the touch control structure further comprises a sixth meshblock and a seventh mesh block respectively on two sides of the firstmesh block; a first lead line connecting the sixth mesh block to thefirst line portion; and a second lead line connecting the seventh meshblock to the third line portion.

Optionally, the first line portion, the second line portion, the thirdline portion are in a same layer as the first segment, the firstconductive plate, and the second conductive plate; and the first leadline and the second lead line are in a same layer as the second segment.

Optionally, at least multiple conductive plates of the touch controlstructure are a plurality of capacitance-compensating plates, arespective one of which connected to at least one mesh line of arespective one of a plurality of window-adjacent mesh blocks; and anoccupied area of the respective one of the plurality ofcapacitance-compensating plates is correlated to a reduction in anoccupied area of the respective one of the plurality of window-adjacentmesh blocks relative to an internal mesh block electrically connected tothe respective one of the plurality of window-adjacent mesh blocks, theinternal mesh block spaced apart from the window region by therespective one of the plurality of window-adjacent mesh blocks.

In one aspect, the present disclosure provides a display apparatus,comprising a display panel comprising the touch control structuredescribed herein or fabricated by a method described herein; and anintegrated circuit connected to the display panel.

Optionally, the display panel comprises a plurality of light emittingelements; an encapsulating layer on the plurality of light emittingelements, wherein the encapsulating layer comprising a first inorganicencapsulating layer, an organic encapsulating layer on a side of thefirst inorganic encapsulating layer away from the plurality of lightemitting elements, a second inorganic encapsulating layer on a side ofthe organic encapsulating layer away from the first inorganicencapsulating layer; a buffer layer on a side of the second inorganicencapsulating layer away from the organic encapsulating layer; and atouch insulating layer on a side of the buffer layer away from thesecond inorganic encapsulating layer; wherein the touch insulating layerspaces apart the first segment and the second segment from each other.

BRIEF DESCRIPTION OF THE FIGURES

The following drawings are merely examples for illustrative purposesaccording to various disclosed embodiments and are not intended to limitthe scope of the present invention.

FIG. 1 is a schematic diagram illustrating the structure of a touchcontrol structure in some embodiments according to the presentdisclosure.

FIG. 2 is a zoom-in view of a touch control structure surrounding awindow region in some embodiments according to the present disclosure.

FIG. 3 is a schematic diagram illustrating a window region in someembodiments according to the present disclosure.

FIG. 4A is a zoom-in view of a first zoom-in region ZR1 in FIG. 2 .

FIG. 4B is a cross-sectional view along an A-A′ line in FIG. 4A.

FIG. 5 is a schematic diagram illustrating the structure of a thirdconductive plate in some embodiments according to the presentdisclosure.

FIG. 6A is a zoom-in view of a second zoom-in region ZR2 in FIG. 2 .

FIG. 6B is a cross-sectional view along a B-B′ line in FIG. 6A.

FIG. 7 is a schematic diagram illustrating the structure of a firstconductive bridge in some embodiments according to the presentdisclosure.

FIG. 8A is a zoom-in view of a third zoom-in region ZR3 in FIG. 2 .

FIG. 8B is a cross-sectional view along a C-C′ line in FIG. 8A.

FIG. 9 is a cross-sectional view along a D-D′ line in FIG. 7 .

FIG. 10 is a schematic diagram illustrating the structure of a detectionline in some embodiments according to the present disclosure.

FIG. 11A is a zoom-in view of a first zoom-in region ZR1 in FIG. 2 .

FIG. 11B is a cross-sectional view along an E-E′ line in FIG. 11A.

FIG. 11C is a cross-sectional view along a F-F′ line in FIG. 11A.

FIG. 11D is a schematic diagram illustrating a window region in someembodiments according to the present disclosure.

FIG. 12A illustrates a correlation between an occupied area of a firstcapacitance-compensating plate and a reduction in an occupied area of afirst mesh block in some embodiments according to the presentdisclosure.

FIG. 12B illustrates a correlation between an occupied area of a secondcapacitance-compensating plate and a reduction in an occupied area of asecond mesh block in some embodiments according to the presentdisclosure.

FIG. 12C illustrates a correlation between an occupied area of a thirdcapacitance-compensating plate and a reduction in an occupied area of athird mesh block in some embodiments according to the presentdisclosure.

FIG. 12D illustrates a correlation between an occupied area of a fourthcapacitance-compensating plate and a reduction in an occupied area of asixth mesh block in some embodiments according to the presentdisclosure.

FIG. 13 is a cross sectional view of a display apparatus in someembodiments according to the present disclosure.

FIG. 14 is a schematic diagram illustrating the structure of a displayapparatus having a touch control structure in some embodiments accordingto the present disclosure.

DETAILED DESCRIPTION

The disclosure will now be described more specifically with reference tothe following embodiments. It is to be noted that the followingdescriptions of some embodiments are presented herein for purpose ofillustration and description only. It is not intended to be exhaustiveor to be limited to the precise form disclosed.

The present disclosure provides, inter alia, a touch control structureand a display apparatus that substantially obviate one or more of theproblems due to limitations and disadvantages of the related art. In oneaspect, the present disclosure provides a touch control structure. Insome embodiments, the touch control structure includes a plurality offirst mesh electrodes along a row direction and a plurality of secondmesh electrodes along a column direction. In some embodiments, the touchcontrol structure is limited in a touch control region and absent in awindow region surrounded by the touch control region. Optionally, awindow-crossing column of the plurality of second mesh electrodesincludes a first mesh block and a second mesh block respectively on afirst side and a second side of the window region; a first conductiveplate directly connected to one or more mesh lines of the first meshblock; a second conductive plate directly connected to one or more meshlines of the second mesh block; and a first conductive bridge connectingthe first conductive plate and the second conductive plate. Optionally,the first conductive bridge comprises a first segment and a secondsegment; and the second segment is in a layer different from the firstsegment, the first conductive plate, and the second conductive plate.The column direction and the row direction cross over each other.Optionally, the column direction and the row direction are perpendicularto each other. Optionally, the column direction and the row directioncross over each other at an inclined angle that is not 90 degrees.

Mesh electrodes include mesh lines which typically have a line width ina range of 1 μm to 50 μm. Thus, connecting adjacent mesh blocks throughthe mesh lines is particularly difficult, and often resulting in poorconnectivity. The present disclosure adopts a novel and advantageoustouch electrode design that obviate issues in related touch controlstructures.

FIG. 1 is a schematic diagram illustrating the structure of a touchcontrol structure in some embodiments according to the presentdisclosure. Referring to FIG. 1 , the touch control structure in someembodiments includes a plurality of first mesh electrodes TE1 arrangedrespectively in a plurality of rows and a plurality of second meshelectrodes TE2 arranged in respectively a plurality of columns. Adjacentrows of the plurality of rows are isolated from each other. Adjacentcolumns of the plurality of columns are isolated from each other.Optionally, the touch control structure is a mutual capacitance typetouch control structure. Optionally, the plurality of first meshelectrodes TE1 are a plurality of touch scanning electrodes, and theplurality of second mesh electrodes TE2 are a plurality of touch sensingelectrodes. Optionally, the plurality of mesh touch electrodes TE1 are aplurality of touch sensing electrodes, and the plurality of second meshelectrodes TE2 are a plurality of touch scanning electrodes. Optionally,the touch control structure is in a touch control region of a displaypanel. Optionally, the touch control region substantially overlaps witha display region of the display panel. The display panel is configuredto display an image in at least a portion of the touch control region.

In some embodiments, the respective one of the plurality of first meshelectrodes TE1 extends along a row direction RD; and the respective oneof the plurality of second mesh electrodes TE2 extends along a columndirection CD. Optionally, the row direction RD and the column directionCD are two non-parallel directions, for example, the row direction RDand the column direction CD cross over each other. Optionally, the rowdirection RD and the column direction CD are perpendicular to eachother. Optionally, the row direction RD and the column direction CDcross over each other at an inclined angle that is not 90 degrees.

In some embodiments, the touch control structure is limited in a touchcontrol region TCR and absent in a window region WR surrounded by thetouch control region TCR. For example, the touch control structure maybe a touch control structure in a display panel, where the touch controlregion TCR substantially overlaps with a display region of the displaypanel, and the window region WR is a region in the display panel havinga hole configured for installing an accessory such as a camera lens or afingerprint sensor. The display panel is configured to display an imagein at least a portion of the touch control region TCR. In one example,in the window region WR, display elements of the display panel and thetouch control structure are absent; in the display region or at least aportion of the touch control region TCR, both display elements of thedisplay panel and the touch control structure are present.

FIG. 2 is a zoom-in view of a touch control structure surrounding awindow region in some embodiments according to the present disclosure.FIG. 3 is a schematic diagram illustrating a window region in someembodiments according to the present disclosure. Referring to FIG. 1 toFIG. 3 , in some embodiments, a window-crossing column WCC of theplurality of second mesh electrodes TE2 includes a first mesh block MB1and a second mesh block MB2 respectively on a first side S1 and a secondside S2 of the window region WR; a first conductive plate CP1 directlyconnected to one or more mesh lines of the first mesh block MB1; asecond conductive plate CP2 directly connected to one or more mesh linesof the second mesh block MB2 and a first conductive bridge CB1connecting the first conductive plate CP1 and the second conductiveplate CP2.

In some embodiments, the first conductive bridge CB1 includes a firstsegment SG1 and a second segment SG2. In some embodiments, the secondsegment SG2 is in a layer different from the first segment SG1, thefirst conductive plate CP1, and the second conductive plate CP2. In oneexample, the second segment SG2 is in a first layer, e.g., a firstconductive material layer such as a first metallic material layer. Inanother example, the first segment SG1, the first conductive plate CP1,and the second conductive plate CP2 are in a second layer, e.g., asecond conductive material layer such as a second metallic materiallayer.

FIG. 4A is a zoom-in view of a first zoom-in region ZR1 in FIG. 2 . FIG.4B is a cross-sectional view along an A-A′ line in FIG. 4A. Referring toFIG. 4A and FIG. 4B, in some embodiments, the first segment SG1 is in asecond layer SL2, and the second segment SG2 is in a first layer SL1. Inone example as depicted in FIG. 4B, the touch control structure includesa buffer layer BUF on a second inorganic encapsulating sub-layer CVD2,the second inorganic encapsulating sub-layer CVD2 being a sub-layer ofan encapsulating layer for encapsulating light emitting elements in adisplay apparatus having the touch control structure. In someembodiments, the touch control structure further includes a first layerSL1 on a side of the buffer layer BUF away from the second inorganicencapsulating sub-layer CVD2, a touch insulating layer TI on a side ofthe first layer SL1 away from the buffer layer BUF, a second layer SL2on a side of the touch insulating layer TI away from the first layerSL1, and an overcoat layer OC on a side of the second layer SL2 awayfrom the touch insulating layer TI. Optionally, mesh lines of the thirdmesh block MB3 are in the second layer SL2.

Referring to FIG. 1 to FIG. 3 , in some embodiments, a firstwindow-crossing row WCR1 of the plurality of first mesh electrodes TE1includes a third mesh block MB3 on a third side S3 of the window regionWR; and a third conductive plate CP3 directly connected to one or moremesh lines of the third mesh block MB3. The third side S3 is between thefirst side S1 and the second side S2. The third conductive plate CP3spaces apart the first conductive bridge CB1 from the third mesh blockMB3.

FIG. 5 is a schematic diagram illustrating the structure of a thirdconductive plate in some embodiments according to the presentdisclosure. Referring to FIG. 2 and FIG. 5 , in some embodiments, thethird conductive plate CP3 includes a first part 3-1 and a second part3-2. The first part has a first shortest plate width pw1 along adirection from the first part 3-1 to the window region WR; the secondpart 3-2 has a second shortest plate width pw2 along a direction fromthe second part 3-2 to the window region WR. Optionally, the firstshortest plate width pw1 is less than the second shortest plate widthpw2.

The inventors of the present disclosure discover that, when a conductivebridge extends around a periphery of the window region, electrostaticdischarge is prone to occur when the conductive bridge is in closeproximity to a conductive plate directly connected to one or more meshlines of a mesh block. For example, the first conductive bridge CB1 isin close proximity to the second part 3-2 of the third conductive plateCP3. The inventors of the present disclosure discover that, surprisinglyand unexpected, the electrostatic discharge issue can be obviated bydisposing a segment of the conductive bridge in close proximity to theconductive plate in a layer different from the conductive plate.

In some embodiments, as shown in FIG. 2 , the second segment SG2 is inclose proximity to a second part 3-2 of the third conductive plate CP3.Accordingly, in some embodiment, in the touch control structureaccording to the present disclosure, the second segment SG2 is in alayer different from the third conductive plate CP3. Referring to FIG.4B, the second segment SG2 is in the first layer SL1, whereas the firstpart 3-1 and the second part 3-2 of the third conductive plate, and thefirst segment SG1 are in the second layer SL2.

Referring to FIG. 3 , in some embodiments, the first segment SG1 and thesecond segment SG2 are respectively around a first portion P1 and asecond portion P2 of the periphery of the window region WR; the firstpart 3-1 and the second part 3-2 are respectively around a third portionP3 and a fourth portion P4 of the periphery of the window region WR; thefirst portion P1 is at least partially overlapping with the thirdportion P3; and the second portion P2 is at least partially overlappingwith the fourth portion P4. Optionally, the second portion P2 and thefourth portion P4 substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%)overlap with each other. Optionally, the first portion P1 and the thirdportion P3 substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%)overlap with each other.

In some embodiments, and referring to FIG. 2 and FIG. 5 , the thirdconductive plate further includes a third part 3-3, the first part 3-1between the second part 3-2 and the third part 3-3. Optionally, thesecond part 3-2 and the third part 3-3 are connected through the firstpart 3-1. Optionally, the second part 3-2 is directly connected to thefirst part 3-1, and the third part 3-3 is directly connected to thefirst part 3-1. Referring to FIG. 2 , the first conductive bridge CB1further includes a third segment SG3, the first segment SG1 between thesecond segment SG2 and the third segment SG3. Optionally, the secondsegment SG2 and the third segment SG3 are connected through the firstsegment SG1. Optionally, the second segment SG2 is directly connected tothe first segment SG1, and the third segment SG3 is directly connectedto the first segment SG1.

In some embodiments, the third segment SG3 is in a same layer as thesecond segment SG2, and is in a layer different from the first segmentSG1, the first conductive plate CP1, the second conductive plate CP2,and the third conductive plate CP3. As used herein, the term “samelayer” refers to the relationship between the layers simultaneouslyformed in the same step. In one example, the second segment SG2 and thethird segment SG3 are in a same layer when they are formed as a resultof one or more steps of a same patterning process performed in amaterial deposited in a same deposition process. In another example, thesecond segment SG2 and the third segment SG3 can be formed in a samelayer by simultaneously performing the step of forming the secondsegment SG2 and the step of forming the third segment SG3. The term“same layer” does not always mean that the thickness of the layer or theheight of the layer in a cross-sectional view is the same.

FIG. 6A is a zoom-in view of a second zoom-in region ZR2 in FIG. 2 .FIG. 6B is a cross-sectional view along a B-B′ line in FIG. 6A.Referring to FIG. 6A, FIG. 6B, FIG. 4A, and FIG. 4B, the second segmentSG2 and the third segment SG3 are in the first layer SL1. The firstsegment SG1, the first part 3-1, the second part 3-2, the third part3-3, mesh lines of the third mesh block MB3, are in the second layerSL2.

Referring to FIG. 3 , in some embodiments, the third segment SG3 isaround a fifth portion P5 of the periphery of the window region WR; thethird part 3-3 is around a sixth portion P6 of the periphery of thewindow region WR; the fifth portion P5 is at least partially overlappingwith the sixth portion P6. Optionally, the fifth portion P5 and thesixth portion P6 substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%)overlap with each other.

Referring to FIG. 2 and FIG. 5 , in some embodiments, the first part hasa first shortest plate width pw1 along a direction from the first part3-1 to the window region WR; the second part 3-2 has a second shortestplate width pw2 along a direction from the second part 3-2 to the windowregion WR; and the third part 3-3 has a third shortest plate width pw3along a direction from the third part 3-3 to the window region WR.Optionally, the first shortest plate width pw1 is less than the secondshortest plate width pw2; and the first shortest plate width pw1 is lessthan the third shortest plate width pw3.

Referring to FIG. 2 . FIG. 4A, FIG. 4B, FIG. 6A, and FIG. 6B, the touchcontrol structure in some embodiments further includes a first dummyplate DP1 insulated from the first conductive bridge CB1 and the thirdconductive plate CP3, and spacing part a portion of the first conductivebridge CB1 and a portion of the third conductive plate CP3. Referring toFIG. 3 , the first dummy plate DP1 is around a seventh portion P7 of theperiphery of the window region WR. Optionally, the seventh portion P7 isat least partially overlapping with the third portion P3, and isnon-overlapping with the fourth portion P4 and the sixth portion P6.Optionally, the third portion P3 and the seventh portion P7substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%) overlap with eachother.

In some embodiments, and referring to FIG. 2 , FIG. 4A, FIG. 4B, FIG.6A, and FIG. 6B, in an orthographic projection of the touch controlstructure on a base substrate (e.g., the second inorganic encapsulatingsub-layer CVD2), an orthographic projection of a conductive component onthe base substrate is absent in a space between an orthographicprojection of the second segment SG2 on the base substrate and anorthographic projection of the second part 3-2 on the base substrate.Optionally, in the orthographic projection of the touch controlstructure on the base substrate, an orthographic projection of aconductive component on the base substrate is absent in a space betweenan orthographic projection of the third segment SG3 on the basesubstrate and an orthographic projection of the third part 3-3 on thebase substrate. Optionally, in the orthographic projection of the touchcontrol structure on the base substrate, an orthographic projection ofthe first dummy plate DP1 on the base substrate is in a space between anorthographic projection of the first segment SG1 on the base substrateand an orthographic projection of the first part 3-1 on the basesubstrate.

In some embodiments, and referring to FIG. 2 , a second window-crossingrow WCR2 of the plurality of first mesh electrodes TE1 includes a fourthmesh block MB4 and a fifth mesh block MB5 respectively on a fourth sideS4 and a fifth side S5 of the window region. Optionally, the second sideS2 is between the fourth side S4 and the fifth side S5. Optionally, thefifth side S5 is between the second side S2 and the third side S3.Optionally, the fourth side S4 is between the first side S1 and thesecond side S2.

In some embodiments, the second window-crossing row WCR2 of theplurality of first mesh electrodes TE1 further includes a fourthconductive plate CP4 directly connected to one or more mesh lines of thefourth mesh block MB4; a fifth conductive plate CP5 directly connectedto one or more mesh lines of the fifth mesh block MB5; and a secondconductive bridge CB2 connecting the fourth conductive plate CP4 and thefifth conductive plate CP5. Referring to FIG. 3 , the first conductiveplate CP1 is around an eighth portion P8 of the periphery of the windowregion WR; and the second conductive bridge CB2 is around a ninthportion P9 of the periphery of the window region WR. Optionally, theeighth portion P8 is at least partially overlapping with the ninthportion P9. Optionally, the eighth portion P8 and the ninth portion P9substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%) overlap with eachother.

FIG. 7 is a schematic diagram illustrating the structure of a firstconductive bridge in some embodiments according to the presentdisclosure. Referring to FIG. 2 and FIG. 7 , in some embodiments, thefirst conductive bridge CB1 further includes a fourth segment SG4. FIG.8A is a zoom-in view of a third zoom-in region ZR3 in FIG. 2 . FIG. 8Bis a cross-sectional view along a C-C′ line in FIG. 8A. Referring toFIG. 2 , FIG. 8A, and FIG. 8B, the fourth segment SG4 in someembodiments crosses over a portion of the second conductive bridge CB2to connect with the first conductive plate CP1.

In some embodiments, the fourth segment SG4 is in a same layer as thesecond segment SG2 and the third segment SG3, and is in a layerdifferent from the first segment SG1, the first conductive plate CP1,the second conductive plate CP2, and the third conductive plate CP3.Optionally, the fourth segment SG4 is in a layer different from thefirst segment SG1, the first conductive plate CP1, the second conductiveplate CP2, the fourth conductive plate CP4, the fifth conductive plateCP5, and the second conductive bridge CB2. Optionally, mesh lines of thefifth mesh block MB5 are in the second layer SL2.

Referring to FIG. 2 , FIG. 7 , FIG. 8A, and FIG. 8B, the firstconductive bridge in some embodiments further includes a fifth segmentSG5 between the fourth segment SG4 and the second segment SG2.Optionally, the second segment SG2 and the fourth segment SG4 areconnected through the fifth segment SG5. Optionally, the second segmentSG2 is directly connected to the fifth segment SG5, and the fourthsegment SG4 is directly connected to the fifth segment SG5.

FIG. 9 is a cross-sectional view along a D-D′ line in FIG. 7 . Referringto FIG. 7 , in some embodiments, the fifth segment SG5 is directlyconnected to the fourth segment SG4 through a via v extending throughthe touch insulating layer TI. The connections between other respectivesegments of the first conductive bridge CB1 can be similarlyimplemented. For example, the connection between the first segment SG1and the second segment SG2, the connection between the first segment SG1and the third segment SG3, or the connection between the second segmentSG2 and the fifth segment SG5, can be implemented by respective viasextending through the touch insulating layer TI.

Referring to FIG. 8A and FIG. 8B, in some embodiments, the fifth segmentSG5 is in a same layer as the first segment SG1, the first conductiveplate CP1, the second conductive plate CP2, the third conductive plateCP3, and the second conductive bridge CB2. Optionally, the fifth segmentSG5 is in a layer different from the second segment SG2 and the fourthsegment SG4.

Referring to FIG. 2 , FIG. 8A and FIG. 8B, in some embodiments, thetouch control structure further includes a second dummy plate DP2insulated from the fifth conductive plate CP5 and the fifth segment SG5,and spacing part a portion of the fifth conductive plate CP5 and aportion of the fifth segment SG5. Referring to FIG. 3 , in someembodiments, the fifth segment SG5 is around a tenth portion P10 of theperiphery of the window region WR.

Optionally, the second dummy plate DP2 is around an eleventh portion P11of the periphery of the window region WR. Optionally, the tenth portionP10 is at least partially overlapping with the eleventh portion P11.Optionally, a sub-portion of the tenth portion P10 is non-overlappingwith the eleventh portion P11.

Referring to FIG. 2 , FIG. 3 , FIG. 4A, and FIG. 4B, the touch controlstructure in some embodiments further includes a third dummy plate DP3around a twelfth portion P12 of the periphery of the window region WR.Optionally, the twelfth portion P12 is between the eleventh portion P11and the second portion. Optionally, the twelfth portion P12 isnon-overlapping with the eleventh portion P11, and is non-overlappingwith the second portion P2. Optionally, the twelfth portion P12 is atleast partially overlapping with the tenth portion P10. Optionally, acombination of the eleventh portion P11 and the twelfth portion P12substantially (e.g., 80%, 85%, 90%, 95%, 99%, or 100%) overlap with thetenth portion P10.

Referring to FIG. 2 , the touch control structure in some embodimentsfurther includes a protective ring PR substantially (e.g., 80%, 85%,90%, 95%, 99%, or 100%) surrounding the window region WR. Referring toFIG. 2 , in some embodiments, the first conductive plate CP1, the secondconductive plate CP2, and the first conductive bridge CB1 arerespectively around portions of the protective ring PR. Referring toFIG. 2 , FIG. 4B, FIG. 6B, and FIG. 8B, in some embodiments, theprotective ring PR is in a same layer as the second segment SG2, thethird segment SG3, and the fourth segment SG4. Optionally, theprotective ring PR is in a layer different from the first segment SG1,the fifth segment SG5, the first conductive plate CP1, the secondconductive plate CP2, the third conductive plate CP3, the fourthconductive plate CP4, and the fifth conductive plate CP5.

Referring to FIG. 2 , the touch control structure in some embodimentsfurther includes a detection line DL substantially (e.g., 80%, 85%, 90%,95%, 99%, or 100%) surrounding the window region WR. FIG. 10 is aschematic diagram illustrating the structure of a detection line in someembodiments according to the present disclosure. Referring to FIG. 2 andFIG. 10 , in some embodiments, the detection line DL includescontiguously a first line portion LP1 extending counter-clock-wiselyaround a first half (e.g., a left half) of a periphery of the windowregion WR, a second line portion LP2 extending clock-wisely around thefirst half of the periphery of the window region WR and a second half ofthe periphery of the window region WR, and a third line portion LP3extending counter-clock-wisely around the second half of the peripheryof the window region WR. As used herein, the term “first half” and“second half” is not limited to exact half, but also include less thanhalf or greater than half.

Referring to FIG. 2 and FIG. 10 , the touch control structure in someembodiments further includes a sixth mesh block MB6 and a seventh meshblock MB7 respectively on two sides of the first mesh block MB1; a firstlead line LL1 connecting the sixth mesh block MB6 to the first lineportion LP1; and a second lead line LL2 connecting the seventh meshblock MB7 to the third line portion LP3.

In some embodiments, the first line portion LP1, the second line portionLP2, the third line portion LP3 are in a same layer as the first segmentSG1, the fifth segment SG5, the first conductive plate CP1, the secondconductive plate CP2, the third conductive plate CP3, the fourthconductive plate CP4, and the fifth conductive plate CP5. In someembodiments, the first lead line LL1 and the second lead line LL2 are ina same layer as the second segment SG2, the third segment SG3, and thefourth segment SG4.

In some embodiments, the first conductive bridge CB1 (or segmentsthereof) has a line width in a range of 5 μm to 15 μm, e.g., 5 μm to 7μm, 7 μm to 9 μm, 9 μm to 11 μm, 1 μm to 13 μm, or 13 μm to 15 μm.Optionally, the first conductive bridge CB1 (or segments thereof) has aline width of 10 μm.

In some embodiments, the second conductive bridge CB2 (or segmentsthereof) has a line width in a range of 10 μm to 20 μm, e.g., 10 μm to12 μm, 12 μm to 14 μm, 14 μm to 16 μm, 16 μm to 18 μm, or 18 μm to 20μm. Optionally, the second conductive bridge CB2 (or segments thereof)has a line width of 15 μm.

In some embodiments, the first shortest plate width pw1 is in a range of20 μm to 40 μm, e.g., 20 μm to 25 μm, 25 μm to 30 μm, 30 μm to 35 μm, or35 μm to 40 μm. Optionally, the first shortest plate width pw1 is 30 μm.

In some embodiments, the second shortest plate width pw2 is in a rangeof 75 μm to 115 μm, e.g., 75 μm to 85 μm, 85 μm to 95 μm, 95 μm to 105μm, or 105 μm to 115 μm.

Optionally, the second shortest plate width pw2 is 95 μm.

In some embodiments, the third shortest plate width pw3 is in a range of75 μm to 115 μm, e.g., 75 μm to 85 μm, 85 μm to 95 μm, 95 μm to 105 μm,or 105 μm to 115 μm. Optionally, the third shortest plate width pw3 is95 μm.

Optionally, a ratio of the first shortest plate width pw1 to the secondshortest plate width pw2 is a range of 1:2 to 1:4, e.g., 12 to 1:2.5,1:2.5 to 1:3, 1:3 to 1:3.5, or 1:3.5 to 1:4. Optionally, a ratio of thefirst shortest plate width pw1 to the third shortest plate width pw3 isa range of 1:2 to 1:4, e.g., 1:2 to 1:2.5, 1:2.5 to 1:3, 1:3 to 1:3.5,or 1:3.5 to 1:4.

In some embodiments, the first conductive plate has a shortest platewidth along a direction from the first conductive plate to the windowregion in a range of 80 μm to 160 μm, e.g., 80 μm to 100 μm, 100 μm to120 μm, 120 μm to 140 μm, or 140 μm to 160 μm. Optionally, the shortestplate width is 120 μm.

In some embodiments, the second conductive plate has a shortest platewidth along a direction from the second conductive plate to the windowregion in a range of 80 μm to 160 μm, e.g., 80 μm to 100 μm, 100 μm to120 μm, 120 μm to 140 μm, or 140 μm to 160 μm. Optionally, the shortestplate width is 120 μm.

In some embodiments, the first dummy plate has a shortest plate widthalong a direction from the first dummy plate to the window region in arange of 30 μm to 70 μm. e.g., 30 μm to 40 μm, 40 μm to 50 μm, 50 μm to60 μm, or 60 μm to 70 μm. Optionally, the shortest plate width is 50 μm.

In some embodiments, the second dummy plate has a shortest plate widthalong a direction from the second dummy plate to the window region in arange of 20 μm to 40 μm, e.g., 20 μm to 25 μm, 25 μm to 30 μm, 30 μm to35 μm, or 35 μm to 40 μm. Optionally, the shortest plate width is 30 μm.

In some embodiments, the fourth conductive plate has a shortest platewidth along a direction from the fourth conductive plate to the windowregion in a range of 5 μm to 15 μm, e.g., 5 μm to 7 μm, 7 μm to 9 μm, 9μm to 11 μm, 11 μm to 13 μm, or 13 μm to 15 μm. Optionally, the shortestplate width is 10 μm.

In some embodiments, the fifth conductive plate has a shortest platewidth along a direction from the fifth conductive plate to the windowregion in a range of 30 μm to 70 μm. e.g., 30 μm to 40 μm, 40 μm to 50μm, 50 μm to 60 μm, or 60 μm to 70 μm. Optionally, the shortest platewidth is 50 μm.

In some embodiments, the protective ring has a shortest plate widthalong a direction from the protective ring to the window region in arange of 25 μm to 65 μm, e.g., 25 μm to 35 μm, 35 μm to 45 μm, 45 μm to55 μm, or 55 μm to 65 μm. Optionally, the shortest plate width is 45 μm.

In some embodiments, the detection line (or line portions thereof) has aline width in a range of 2.5 μm to 6.5 μm. e.g., 2.5 μm to 3.5 μm, 3.5μm to 4.5 μm, 4.5 μm to 5.5 μm, or 5.5 μm to 6.5 μm. Optionally, thefirst conductive bridge CB1 (or segments thereof) has a line width of4.5 μm.

In some embodiments, the first lead line or the second lead line has aline width in a range of 5 μm to 15 μm, e.g., 5 μm to 7 μm, 7 μm to 9μm, 9 μm to 11 μm, 11 μm to 13 μm, or 13 μm to 15 μm. Optionally, thefirst lead line or the second lead line has a line width of 10 μm.

FIG. 11A is a zoom-in view of a first zoom-in region ZR1 in FIG. 2 .FIG. 11B is a cross-sectional view along an E-E′ line in FIG. 11A. FIG.11C is a cross-sectional view along a F-F′ line in FIG. 11A. FIG. 11D isa schematic diagram illustrating a window region in some embodimentsaccording to the present disclosure. Referring to FIG. 11A to FIG. 11D,an orthographic projection of a first overlapping portion OP1 of thefifth segment SG5 on a base substrate BS at least partially overlapswith an orthographic projection of a second overlapping portion OP2 ofthe second segment SG2 on the base substrate BS, the first overlappingportion OP1 connecting to the second overlapping portion OP2 through afirst via v1 extending through a touch insulating layer TI. The firstoverlapping portion OP1 and the second overlapping portion OP2 arearound a first partially overlapping portion PO1 of the periphery of thewindow region WR. Optionally, the first partially overlapping portionPO1 is a portion wherein the tenth portion P10 and the second portion P2partially overlap with each other. The second part 3-2 is spaced apartfrom a third dummy plate DP3 adjacent to the second part 3-2 by a firstgap G1. The first gap G1 is around a first gap portion GP1 of theperiphery of the window region WR. As shown in FIG. 11D, the firstpartially overlapping portion PO1 includes the first gap portion GP1,e.g., the first gap portion GP1 is at least a portion of the firstpartially overlapping portion PO1. Optionally, the first partiallyoverlapping portion PO1 is the same as the first gap portion GP1.

In some embodiments, the first overlapping portion OP1 and the secondoverlapping portion OP2 each have a length d1 along an extensiondirection ED of the first conductive bridge CB1, and the first gapportion GP1 has a first gap width d2 along the extension direction ED ofthe first conductive bridge CB1. Optionally, d1 is greater than d2.Optionally, d1 equals to d2.

Referring to FIG. 11A to FIG. 11D, an orthographic projection of a thirdoverlapping portion OP3 of the first segment SG1 on a base substrate BSat least partially overlaps with a fourth overlapping portion OP4 of thesecond segment SG2, the third overlapping portion OP3 connecting to thefourth overlapping portion OP4 through a second via v2 extending throughthe touch insulating layer TI. The third overlapping portion OP3 and thefourth overlapping portion OP4 are around a second partially overlappingportion P02 of the periphery of the window region WR. Optionally, thethird partially overlapping portion P03 is a portion wherein the firstportion P1 and the second portion P2 partially overlap with each other.The second part 3-2 is spaced apart from a first dummy plate DP1adjacent to the second part 3-2 by a second gap G2. The second gap G2 isaround a second gap portion GP2 of the periphery of the window regionWR. As shown in FIG. 11D, the second partially overlapping portion P02includes the second gap portion GP2, e.g., the second gap portion GP2 isat least a portion of the second partially overlapping portion P02.Optionally, the second partially overlapping portion P02 is the same asthe second gap portion GP2.

In some embodiments, the third overlapping portion OP3 and the fourthoverlapping portion OP4 each have a length d3 along an extensiondirection ED of the first conductive bridge CB1, and the second gapportion GP2 has a second gap width d4 along the extension direction EDof the first conductive bridge CB1. Optionally, d3 is greater than d4.Optionally, d3 equals to d4.

In some embodiments, at least multiple conductive plates (e.g., one ormore of the first conductive plate CP1, the second conductive plate CP2,the third conductive plate CP3, the fourth conductive plate CP4, thefifth conductive plate CP5) of the touch control structure are aplurality of capacitance-compensating plates. A respective one of theplurality of capacitance-compensating plates is connected to at leastone mesh line of a respective one of a plurality of window-adjacent meshblocks. In some embodiments, an occupied area of the respective one ofthe plurality of capacitance-compensating plates is correlated to areduction in an occupied area of the respective one of the plurality ofwindow-adjacent mesh blocks relative to a reference mesh block. In someembodiments, the reference mesh block is an internal mesh blockelectrically connected to the respective one of the plurality ofwindow-adjacent mesh blocks, the internal mesh block spaced apart fromthe window region by the respective one of the plurality ofwindow-adjacent mesh blocks. As used herein, the term “internal meshblock” refers to a mesh block that is not directly adjacent to any edgeof the touch control structure, and is not directly adjacent to thewindow region. As used herein, the term “occupied area” refers to anarea occupied by the electrode blocks or the fill patterns. In case theelectrode blocks or fill patterns are mesh electrode blocks or meshpatterns, the “occupied area” refers to an area encircled by boundaries(formed by line breaks in the mesh lines) respectively of the electrodeblocks and the fill patterns, excluding areas occupied by any internalfill patterns in an electrode block.

In one example, referring to FIG. 2 , an occupied area of the firstconductive plate CP1 is correlated to a reduction in an occupied area ofthe first mesh block MB1 relative to an internal mesh block electricallyconnected to the first mesh block MB1, the internal mesh block spacedapart from the window region WR by the first mesh block MB1. In anotherexample, referring to FIG. 2 , an occupied area of the second conductiveplate CP2 is correlated to a reduction in an occupied area of the secondmesh block MB2 relative to an internal mesh block electrically connectedto the second mesh block MB2, the internal mesh block spaced apart fromthe window region WR by the second mesh block MB2. In another example,referring to FIG. 2 , an occupied area of the third conductive plate CP3is correlated to a reduction in an occupied area of the third mesh blockMB3 relative to an internal mesh block electrically connected to thethird mesh block MB3, the internal mesh block spaced apart from thewindow region WR by the third mesh block MB3. In another example,referring to FIG. 2 , an occupied area of the fourth conductive plateCP4 is correlated to a reduction in an occupied area of the fourth meshblock MB4 relative to an internal mesh block electrically connected tothe fourth mesh block MB4, the internal mesh block spaced apart from thewindow region WR by the fourth mesh block MB4. In another example,referring to FIG. 2 , an occupied area of the fifth conductive plate CP5is correlated to a reduction in an occupied area of the fifth mesh blockMB5 relative to an internal mesh block electrically connected to thefifth mesh block MB5, the internal mesh block spaced apart from thewindow region WR by the fifth mesh block MB5.

FIG. 12A illustrates a correlation between an occupied area of a firstcapacitance-compensating plate and a reduction in an occupied area of afirst mesh block in some embodiments according to the presentdisclosure. Referring to FIG. 12A, a first internal mesh block Mbi-1 iselectrically connected (directly or indirectly, and in a same row) tothe first window mesh block WMB1, and is spaced apart from the windowregion WR by the first window mesh block WMB1. A first reduction inoccupied area R_(MB1) is shown (area encircled by dotted lines), and thefirst capacitance-compensating conductive plate CCP1 is also shown inFIG. 12A. FIG. 12B illustrates a correlation between an occupied area ofa second capacitance-compensating plate and a reduction in an occupiedarea of a second mesh block in some embodiments according to the presentdisclosure. Referring to FIG. 12B, a second internal mesh block Mbi-2 iselectrically connected (directly or indirectly, and in a same column) tothe second window mesh block WMB2, and is spaced apart from the windowregion WR by the second window mesh block WMB2. A second reduction inoccupied area R_(MB2) is shown (area encircled by dotted lines), and thesecond capacitance-compensating conductive plate CCP2 is also shown inFIG. 12B. FIG. 12C illustrates a correlation between an occupied area ofa third capacitance-compensating plate and a reduction in an occupiedarea of a third mesh block in some embodiments according to the presentdisclosure. Referring to FIG. 12C, a third internal mesh block Mbi-3 iselectrically connected (directly or indirectly, and in a same row) tothe third window mesh block WMB3, and is spaced apart from the windowregion WR by the third window mesh block WMB3. A third reduction inoccupied area R_(MB3) is shown (area encircled by dotted lines), and thethird capacitance-compensating conductive plate CCP3 is also shown inFIG. 12C. FIG. 12D illustrates a correlation between an occupied area ofa fourth capacitance-compensating plate and a reduction in an occupiedarea of a sixth mesh block in some embodiments according to the presentdisclosure. Referring to FIG. 12D, a sixth internal mesh block Mbi-6 iselectrically connected (directly or indirectly, and in a same row) tothe sixth window mesh block WMB6, and is spaced apart from the windowregion WR by the sixth window mesh block WMB6. A sixth reduction inoccupied area R_(MB6) is shown (area encircled by dotted lines), and thefourth capacitance-compensating conductive plate CCP4 is also shown inFIG. 12D.

As illustrated in FIG. 12A to FIG. 12D, occupied areas of the pluralityof capacitance-compensating plates (e.g., the firstcapacitance-compensating plate CCP1, the second capacitance-compensatingplate CCP2, the third capacitance-compensating plate CCP3, and thefourth capacitance-compensating plate CCP4) are correlated to reductionsin occupied areas (e.g., the first reduction in occupied area R_(MB1),the second reduction in occupied area R_(MB2), the third reduction inoccupied area R_(MB3), and the sixth reduction in occupied area R_(MB6))of the plurality of window-adjacent mesh blocks (e.g., the first windowmesh block WMB1, the second window mesh block WMB2, the third windowmesh block WMB3, and the sixth window mesh block WMB6) respectivelyrelative to reference mesh blocks. In one example, the reference meshblocks are internal mesh blocks (e.g., the first internal mesh blockMbi-1, the second internal mesh block Mbi-2, the third internal meshblock Mbi-3, and the sixth internal mesh block Mbi-6) respectivelyelectrically connected to the plurality of window-adjacent mesh blocks.A respective internal mesh block is spaced apart from the window regionby a respective window-adjacent mesh block.

In some embodiments, a ratio of occupied areas of respective two of theplurality of capacitance-compensating conductive plates is within 50%(e.g., within 45%, within 40%, within 35%, within 30%, within 25%,within 20%, within 18%, within 16%, within 14%, within 12%, within 10%,within 8%, within 6%, within 4%, within 2%, or within 1%) of a ratio ofreductions in occupied areas of respective two of the plurality ofwindow-adjacent mesh blocks respectively connected to the respective twoof the plurality of capacitance-compensating conductive plates.Optionally, the ratio of occupied areas of respective two of theplurality of capacitance-compensating conductive plates is within 10% ofthe ratio of reductions in occupied areas of respective two of theplurality of window-adjacent mesh blocks respectively connected to therespective two of the plurality of capacitance-compensating conductiveplates. The reductions in occupied areas are respectively relative torespective two internal mesh blocks respectively electrically connectedto the respective two of the plurality of window-adjacent mesh blocks.The two internal mesh blocks are respectively spaced apart from thewindow region respectively by the respective two of the plurality ofwindow-adjacent mesh blocks. Referring to FIG. 12A to FIG. 12D, in oneexample, a ratio of occupied areas of the first capacitance-compensatingplate CCP1 and the second capacitance-compensating plate CCP2 is within50% (e.g., within 45%, within 40%, within 35%, within 30%, within 25%,within 20%, within 18%, within 16%, within 14%, within 12%, within 10%,within 8%, within 6%, within 4%, within 2%, or within 1%) of a ratio ofthe first reduction in occupied area R_(MB1) and the second reduction inoccupied area R_(MB2). In another example, a ratio of occupied areas ofthe first capacitance-compensating plate CCP1 and the thirdcapacitance-compensating plate CCP3 is within 50% (e.g., within 45%,within 40%, within 35%, within 30%, within 25%, within 20%, within 18%,within 16%, within 14%, within 12%, within 10%, within 8%, within 6%,within 4%, within 2%, or within 1%) of a ratio of the first reduction inoccupied area R_(MB1) and the third reduction in occupied area R_(MB3).In another example, a ratio of occupied areas of the firstcapacitance-compensating plate CCP1 and the fourthcapacitance-compensating plate CCP4 is within 50% (e.g., within 45%,within 40%, within 35%, within 30%, within 25%, within 20%, within 18%,within 16%, within 14%, within 12%, within 10%, within 8%, within 6%,within 4%, within 2%, or within 1%) of a ratio of the first reduction inoccupied area R_(MB1) and the sixth reduction in occupied area R_(MB6).In another example, a ratio of occupied areas of the secondcapacitance-compensating plate CCP2 and the thirdcapacitance-compensating plate CCP3 is within 50% (e.g., within 45%,within 40%, within 35%, within 30%, within 25%, within 20%, within 18%,within 16%, within 14%, within 12%, within 10%, within 8%, within 6%,within 4%, within 2%, or within 1%) of a ratio of the second reductionin occupied area R_(MB2) and the third reduction in occupied areaR_(MB3). In another example, a ratio of occupied areas of the secondcapacitance-compensating plate CCP2 and the fourthcapacitance-compensating plate CCP4 is within 50% (e.g., within 45%,within 40%, within 35%, within 30%, within 25%, within 20%, within 18%,within 16%, within 14%, within 12%, within 10%, within 8%, within 6%,within 4%, within 2%, or within 1%) of a ratio of the second reductionin occupied area R_(MB2) and the sixth reduction in occupied areaR_(MB6). In another example, a ratio of occupied areas of the thirdcapacitance-compensating plate CCP3 and the fourthcapacitance-compensating plate CCP4 is within 50% (e.g., within 45%,within 40%, within 35%, within 30%, within 25%, within 20%, within 18%,within 16%, within 14%, within 12%, within 10%, within 8%, within 6%,within 4%, within 2%, or within 1%) of a ratio of the third reduction inoccupied area R_(MB3) and the sixth reduction in occupied area R_(MB6).

In some embodiments, the plurality of window-adjacent mesh blocksinclude one or more first type window-adjacent mesh blocks (e.g., thefirst window mesh block WMB1, the third window mesh block WMB3, and thesixth window mesh block WMB6) that are parts of the plurality of firstmesh electrodes TE1, and one or more second type window-adjacent meshblocks (e.g., the second window mesh block WMB2) that are parts of theplurality of second mesh electrodes TE2. The plurality ofcapacitance-compensating plates include one or more first typecapacitance-compensating plates (e.g., the firstcapacitance-compensating plate CCP1, the third capacitance-compensatingplate CCP3, and the fourth capacitance-compensating plate CCP4)respectively connected to the one or more first type window-adjacentmesh blocks, and one or more second type capacitance-compensating plates(e.g., the second capacitance-compensating plate CCP2) respectivelyconnected to the one or more second type window-adjacent mesh blocks.

In some embodiments, an occupied area of the respective one of theplurality of capacitance-compensating plates is correlated to areduction in an occupied area of the respective one of the plurality ofwindow-adjacent mesh blocks. Optionally, the reduction in the occupiedarea with respect to a respective one of the one or more first typewindow-adjacent mesh blocks is a difference between an occupied area ofthe respective one of the one or more first type window-adjacent meshblocks and an average occupied area of mesh blocks of the plurality offirst mesh electrodes that are spaced apart from the window region andedges of the touch control structure. Optionally, the reduction in theoccupied area with respect to a respective one of the one or more secondtype window-adjacent mesh blocks is a difference between an occupiedarea of the respective one of the one or more second typewindow-adjacent mesh blocks and an average occupied area of mesh blocksof the plurality of second mesh electrodes that are spaced apart fromthe window region and edges of the touch control structure.

In some embodiments, a ratio of occupied areas of respective two of theplurality of capacitance-compensating conductive plates is within 50%(e.g., within 45%, within 40%, within 35%, within 30%, within 25%,within 20%, within 18%, within 16%, within 14%, within 12%, within 10%,within 8%, within 6%, within 4%, within 2%, or within 1%) of a ratio ofreductions in occupied areas of respective two of the plurality ofwindow-adjacent mesh blocks respectively connected to the respective twoof the plurality of capacitance-compensating conductive plates.Optionally, a reduction in the occupied area with respect to arespective one of the one or more first type window-adjacent mesh blocksis a difference between an occupied area of the respective one of theone or more first type window-adjacent mesh blocks and an averageoccupied area of mesh blocks of the plurality of first mesh electrodesthat are spaced apart from the window region and edges of the touchcontrol structure. Optionally, a reduction in the occupied area withrespect to a respective one of the one or more second typewindow-adjacent mesh blocks is a difference between an occupied area ofthe respective one of the one or more second type window-adjacent meshblocks and an average occupied area of mesh blocks of the plurality ofsecond mesh electrodes that are spaced apart from the window region andedges of the touch control structure.

Referring to FIG. 12A, in some embodiments, an electrode area of thefirst capacitance-compensating conductive plate CCP1 is substantiallysame as an electrode area of the first reduction in occupied areaR_(MB1). Optionally, a sum of electrode areas of the firstcapacitance-compensating conductive plate CCP1 and the first window meshblock WMB1 is substantially same as an electrode area of the firstinternal mesh block Mbi-1. As used herein, the term “substantially same”refers to a difference between two values not exceeding 10% of a basevalue (e.g., one of the two values), e.g., not exceeding 8%, notexceeding 6%, not exceeding 4%, not exceeding 2%, not exceeding 1%, notexceeding 0.5%, not exceeding 0.1%, not exceeding 0.05%, and notexceeding 0.01%, of the base value. As used herein, the term “electrodearea” refers to an actual surface area of the electrode material of theelectrode blocks or the fill patterns. In case the electrode blocks orfill patterns are mesh electrode blocks or mesh patterns, the “electrodearea” refers to accumulated actual surface areas of mesh lines in theelectrode blocks and the fill patterns.

Referring to FIG. 12B, in some embodiments, an electrode area of thesecond capacitance-compensating conductive plate CCP2 is substantiallysame as an electrode area of the second reduction in occupied areaR_(MB2). Optionally, a sum of electrode areas of the secondcapacitance-compensating conductive plate CCP2 and the second windowmesh block WMB2 is substantially same as an electrode area of the secondinternal mesh block Mbi-2.

Referring to FIG. 12C, in some embodiments, an electrode area of thethird capacitance-compensating conductive plate CCP3 is substantiallysame as an electrode area of the third reduction in occupied areaR_(MB3). Optionally, a sum of electrode areas of the thirdcapacitance-compensating conductive plate CCP3 and the third window meshblock WMB3 is substantially same as an electrode area of the thirdinternal mesh block Mbi-3.

Referring to FIG. 12D, in some embodiments, an electrode area of thefourth capacitance-compensating conductive plate CCP4 is substantiallysame as an electrode area of the sixth reduction in occupied areaR_(MB6). Optionally, a sum of electrode areas of the fourthcapacitance-compensating conductive plate CCP4 and the sixth window meshblock WMB6 is substantially same as an electrode area of the sixthinternal mesh block Mbi-6.

In one example, a ratio of A:B is within 50% (e.g., within 45%, within40%, within 35%, within 30%, within 25%, within 20%, within 18%, within16%, within 14%, within 12%, within 10%, within 8%, within 6%, within4%, within 2%, or within 1%) of a ratio of C:D, wherein A and B areelectrode areas or occupied areas of any two differentcapacitance-compensating conductive plates selected from a groupconsisting of the first capacitance-compensating conductive plate CCP1,the second capacitance-compensating conductive plate CCP2, the thirdcapacitance-compensating conductive plate CCP3, and the fourthcapacitance-compensating conductive plate CCP4; C and D are any twodifferent reductions in occupied area selected from a group consistingof the first reduction in occupied area R_(MB1), the second reduction inoccupied area R_(MB2), the third reduction in occupied area R_(MB3), thesixth reduction in occupied area R_(MB6).

In another aspect, the present disclosure provides a display apparatus.In some embodiments, the display apparatus includes a display panelcomprising a touch control structure described herein or fabricated by amethod described herein; and an integrated circuit. Examples ofappropriate display apparatuses include, but are not limited to, anelectronic paper, a mobile phone, a tablet computer, a television, amonitor, a notebook computer, a digital album, a GPS, etc. Optionally,the display apparatus is an organic light emitting diode displayapparatus. Optionally, the display apparatus is a liquid crystal displayapparatus.

FIG. 13 is a cross sectional view of a display panel in some embodimentsaccording to the present disclosure. Referring to FIG. 13 , in thedisplay region, the display panel includes a base substrate BS, aplurality of thin film transistors TFT on the base substrate BS, apassivation layer PVX on a side of the plurality of thin filmtransistors TFT away from the base substrate BS, a first planarizationlayer PLN1 on side of the passivation layer PVX away from the basesubstrate BS, a relay electrode RE on side of the first planarizationlayer PLN1 away from the passivation layer PVX, a second planarizationlayer PLN2 on a side of the relay electrode RE away from the firstplanarization layer PLN1, a pixel definition layer PDL on a side of thesecond planarization layer PLN2 away from the first planarization layerPLN1 and defining subpixel apertures, an anode AD on a side of thesecond planarization layer PLN2 away from the first planarization layerPLN1, a light emitting layer EL on a side of the anode AD away from thesecond planarization layer PLN2, a cathode CD on a side of the lightemitting layer EL away from the anode AD, a first inorganicencapsulating layer CVD1 on a side of the cathode CD away from lightemitting layer EL, an organic encapsulating layer IJP on a side of thefirst inorganic encapsulating layer CVD1 away from the cathode CD, asecond inorganic encapsulating layer CVD2 on a side of the organicencapsulating layer IP away from the first inorganic encapsulating layerCVD1, a buffer layer BUF on a side of the second inorganic encapsulatinglayer CVD2 away from the organic encapsulating layer IJP, a touchinsulating layer TI on a side of the buffer layer BUF away from thesecond inorganic encapsulating layer CVD2, touch electrodes (e.g., theplurality of first touch electrodes TE1 and the plurality of secondtouch electrodes TE2 as shown in FIG. 1 ) on a side of the touchinsulating layer TI away from the buffer layer BUF, and an overcoatlayer OC on a side of the touch electrodes away from the touchinsulating layer TI.

FIG. 14 is a schematic diagram illustrating the structure of a displayapparatus having a touch control structure in some embodiments accordingto the present disclosure. In some embodiments, the touch controlstructure further includes a plurality of first touch signal lines SL1respectively connected to the plurality of first mesh electrodes TE1,and a plurality of second touch signal lines SL2 respectively connectedto the plurality of second mesh electrodes TE2. The display apparatusfurther includes a touch control driving integrated circuit TIC. Theplurality of first touch signal lines SL1 and the plurality of secondtouch signal lines SL2 are connected to the touch control drivingintegrated circuit TIC.

In another aspect, the present disclosure provides a method offabricating a touch control structure. In some embodiments, the methodincludes forming a plurality of first mesh electrodes along a rowdirection and forming a plurality of second mesh electrodes along acolumn direction. Optionally, the touch control structure is formed tobe limited in a touch control region and absent in a window regionsurrounded by the touch control region. Optionally, forming awindow-crossing column of the plurality of second mesh electrodesincludes forming a first mesh block and a second mesh block respectivelyon a first side and a second side of the window region; forming a firstconductive plate directly connected to one or more mesh lines of thefirst mesh block; forming a second conductive plate directly connectedto one or more mesh lines of the second mesh block; and forming a firstconductive bridge connecting the first conductive plate and the secondconductive plate. Optionally, forming the first conductive bridgeincludes forming a first segment and forming a second segment.Optionally, the second segment is formed in a layer different from thefirst segment, the first conductive plate, and the second conductiveplate.

The foregoing description of the embodiments of the invention has beenpresented for purposes of illustration and description. It is notintended to be exhaustive or to limit the invention to the precise formor to exemplary embodiments disclosed. Accordingly, the foregoingdescription should be regarded as illustrative rather than restrictive.Obviously, many modifications and variations will be apparent topractitioners skilled in this art. The embodiments are chosen anddescribed in order to explain the principles of the invention and itsbest mode practical application, thereby to enable persons skilled inthe art to understand the invention for various embodiments and withvarious modifications as are suited to the particular use orimplementation contemplated. It is intended that the scope of theinvention be defined by the claims appended hereto and their equivalentsin which all terms are meant in their broadest reasonable sense unlessotherwise indicated. Therefore, the term “the invention”, “the presentinvention” or the like does not necessarily limit the claim scope to aspecific embodiment, and the reference to exemplary embodiments of theinvention does not imply a limitation on the invention, and no suchlimitation is to be inferred. The invention is limited only by thespirit and scope of the appended claims. Moreover, these claims mayrefer to use “first”, “second”, etc. following with noun or element.Such terms should be understood as a nomenclature and should not beconstrued as giving the limitation on the number of the elementsmodified by such nomenclature unless specific number has been given. Anyadvantages and benefits described may not apply to all embodiments ofthe invention. It should be appreciated that variations may be made inthe embodiments described by persons skilled in the art withoutdeparting from the scope of the present invention as defined by thefollowing claims. Moreover, no element and component in the presentdisclosure is intended to be dedicated to the public regardless ofwhether the element or component is explicitly recited in the followingclaims.

1. A touch control structure, comprising a plurality of first meshelectrodes along a row direction and a plurality of second meshelectrodes along a column direction; wherein the touch control structureis limited in a touch control region and absent in a window regionsurrounded by the touch control region; wherein the plurality of secondmesh electrodes comprises: a first mesh block and a second mesh blockrespectively on a first side and a second side of the window region; afirst conductive plate connected to one or more mesh lines of the firstmesh block; a second conductive plate connected to one or more meshlines of the second mesh block; and a first conductive bridge connectingthe first conductive plate and the second conductive plate; wherein thefirst conductive bridge comprises a first segment and a second segment;and the second segment is in a layer different from the first segment,the first conductive plate, and the second conductive plate.
 2. Thetouch control structure of claim 1, wherein the plurality of first meshelectrodes comprises: a third mesh block on a third side of the windowregion; and a third conductive plate connected to one or more mesh linesof the third mesh block; wherein the third conductive plate spaces apartthe first conductive bridge from the third mesh block; the thirdconductive plate comprises a first part and a second part; the secondsegment is in a layer different from the third conductive plate; thefirst segment and the second segment are respectively around a firstportion and a second portion of a periphery of the window region; thefirst part and the second part are respectively around a third portionand a fourth portion of the periphery of the window region; the firstportion is at least partially overlapping with the third portion; andthe second portion is at least partially overlapping with the fourthportion.
 3. The touch control structure of claim 2, wherein the firstpart has a first shortest plate width along a direction from the firstpart to the window region; the second part has a second shortest platewidth along a direction from the second part to the window region; andthe first shortest plate width is less than the second shortest platewidth.
 4. The touch control structure of claim 2, wherein the firstconductive bridge further comprises a fifth segment in a same layer asthe first segment, the first conductive plate, and the second conductiveplate; an orthographic projection of a first overlapping portion of thefifth segment on a base substrate at least partially overlaps with anorthographic projection of a second overlapping portion of the secondsegment on the base substrate, the first overlapping portion connectingto the second overlapping portion through a via extending through atouch insulating layer; the first overlapping portion and the secondoverlapping portion are around a partially overlapping portion of theperiphery of the window region; the second part is spaced apart from athird dummy plate adjacent to the second part by a gap around a gapportion of the periphery of the window region; and the partiallyoverlapping portion comprises the gap portion.
 5. The touch controlstructure of claim 2, wherein the third conductive plate furthercomprises a third part, the first part between the second part and thethird part; the first conductive bridge further comprises a thirdsegment, the first segment between the second segment and the thirdsegment; the third segment is in a same layer as the second segment, andis in a layer different from the first segment, the first conductiveplate, the second conductive plate, and the third conductive plate; thethird segment is around a fifth portion of the periphery of the windowregion; the third part is around a sixth portion of the periphery of thewindow region; and the fifth portion is at least partially overlappingwith the sixth portion.
 6. The touch control structure of claim 5,wherein the first part has a first shortest plate width along adirection from the first part to the window region; the second part hasa second shortest plate width along a direction from the second part tothe window region; the third part has a third shortest plate width alonga direction from the third part to the window region; and the firstshortest plate width is less than the second shortest plate width, andis less than the third shortest plate width.
 7. The touch controlstructure of claim 6, further comprising a first dummy plate insulatedfrom the first conductive bridge and the third conductive plate, andspacing part a portion of the first conductive bridge and a portion ofthe third conductive plate; the first dummy plate is around a seventhportion of the periphery of the window region; and the seventh portionis at least partially overlapping with the third portion, and isnon-overlapping with the fourth portion and the sixth portion.
 8. Thetouch control structure of claim 2, wherein, in an orthographicprojection of the touch control structure on a base substrate, anorthographic projection of a conductive component on the base substrateis absent in a space between an orthographic projection of the secondsegment on the base substrate and an orthographic projection of thesecond part on the base substrate.
 9. The touch control structure ofclaim 5, wherein, in an orthographic projection of the touch controlstructure on a base substrate, an orthographic projection of aconductive component on the base substrate is absent in a space betweenan orthographic projection of the second segment on the base substrateand an orthographic projection of the second part on the base substrate;and in the orthographic projection of the touch control structure on thebase substrate, an orthographic projection of a conductive component onthe base substrate is absent in a space between an orthographicprojection of the third segment on the base substrate and anorthographic projection of the third part on the base substrate.
 10. Thetouch control structure of claim 7, wherein, in an orthographicprojection of the touch control structure on a base substrate, anorthographic projection of a conductive component on the base substrateis absent in a space between an orthographic projection of the secondsegment on the base substrate and an orthographic projection of thesecond part on the base substrate; in the orthographic projection of thetouch control structure on the base substrate, an orthographicprojection of a conductive component on the base substrate is absent ina space between an orthographic projection of the third segment on thebase substrate and an orthographic projection of the third part on thebase substrate; and in the orthographic projection of the touch controlstructure on the base substrate, an orthographic projection of the firstdummy plate on the base substrate is in a space between an orthographicprojection of the first segment on the base substrate and anorthographic projection of the first part on the base substrate. 11.(canceled)
 12. The touch control structure of claim 1, wherein theplurality of first mesh electrodes comprises: a fourth mesh block and afifth mesh block respectively on a fourth side and a fifth side of thewindow region; a fourth conductive plate connected to one or more meshlines of the fourth mesh block; a fifth conductive plate connected toone or more mesh lines of the fifth mesh block; and a second conductivebridge connecting the fourth conductive plate and the fifth conductiveplate; wherein the first conductive plate is around an eighth portion ofthe periphery of the window region; the second conductive bridge isaround a ninth portion of the periphery of the window region; and theeighth portion is at least partially overlapping with the ninth portion.13. The touch control structure of claim 12, wherein the firstconductive bridge further comprises a fourth segment crossing over aportion of the second conductive bridge to connect with the firstconductive plate; and the fourth segment is in a same layer as thesecond segment, and is in a layer different from the first segment, thefirst conductive plate, the second conductive plate, the fourthconductive plate, the fifth conductive plate, and the second conductivebridge.
 14. The touch control structure of claim 13, wherein the firstconductive bridge further comprises a fifth segment between the fourthsegment and the second segment; and wherein the fifth segment is in asame layer as the first segment, and is in a layer different from thesecond segment and the fourth segment.
 15. The touch control structureof claim 14, further comprising a second dummy plate insulated from thefifth conductive plate and the fifth segment, and spacing part a portionof the fifth conductive plate and a portion of the fifth segment;wherein the fifth segment is around a tenth portion of a periphery ofthe window region; the second dummy plate is around an eleventh portionof the periphery of the window region; and the tenth portion is at leastpartially overlapping with the eleventh portion.
 16. The touch controlstructure of claim 15, further comprising a third dummy plate around atwelfth portion of the periphery of the window region; wherein thesecond segment is around a second portion of the periphery of the windowregion; the twelfth portion is between the eleventh portion and thesecond portion; and the twelfth portion is non-overlapping with theeleventh portion, and is non-overlapping with the second portion. 17.(canceled)
 18. (canceled)
 19. The touch control structure of claim 1,further comprising a detection line substantially surrounding the windowregion; wherein the detection line comprises contiguously a first lineportion extending counter-clock-wisely around a first half of aperiphery of the window region, a second line portion extendingclock-wisely around the first half of the periphery of the window regionand a second half of the periphery of the window region, and a thirdline portion extending counter-clock-wisely around the second half ofthe periphery of the window region.
 20. The touch control structure ofclaim 19, further comprising: a sixth mesh block and a seventh meshblock respectively on two sides of the first mesh block; a first leadline connecting the sixth mesh block to the first line portion; and asecond lead line connecting the seventh mesh block to the third lineportion.
 21. The touch control structure of claim 20, wherein the firstline portion, the second line portion, the third line portion are in asame layer as the first segment, the first conductive plate, and thesecond conductive plate; and the first lead line and the second leadline are in a same layer as the second segment.
 22. The touch controlstructure of claim 1, wherein at least multiple conductive plates of thetouch control structure are a plurality of capacitance-compensatingplates, a respective one of which connected to at least one mesh line ofa respective one of a plurality of window-adjacent mesh blocks; and anoccupied area of the respective one of the plurality ofcapacitance-compensating plates is correlated to a reduction in anoccupied area of the respective one of the plurality of window-adjacentmesh blocks relative to an internal mesh block electrically connected tothe respective one of the plurality of window-adjacent mesh blocks, theinternal mesh block spaced apart from the window region by therespective one of the plurality of window-adjacent mesh blocks.
 23. Adisplay apparatus, comprising: a display panel comprising the touchcontrol structure of claim 1; and an integrated circuit connected to thedisplay panel.
 24. (canceled)